Model Number: KA-C-7-1-1-1-1-1-1-1 Key Specifications/Special Features: Auto DC power for note book computerThis high-power DC adapter is designed to power popular brandnotebook computers which require DC input from 15 to 24V while youare traveling in the carThe adapter features as over-load and short-circuit protectionto protect it from damageStabilized output, low ripple and low interferenceAdjustable output voltageHigh efficiency and low energy consumptionPower LED monitor